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Hi, Board: Radxa ROCK 5T SoC: RK3588 Armbian image: Armbian 25.11.2 for Rock 5T Kernel: 6.1.115-vendor-rk35xx Userspace: Debian stable (trixie) U-Boot package: linux-u-boot-rock-5t-vendor 25.11.2 (arm64) u-boot-tools: 2025.01-3 Boot device: NVMe (/dev/nvme0n1), Armbian 25.11.2 for Rock 5T https://paste.armbian.com/opokufetux Summary On ROCK 5T, a normal reboot performs a clean shutdown (all services stopped, filesystems unmounted) but the board does not restart. After reaching Reached target reboot.target - System Reboot., the system hangs for some time and then repeatedly prints an interrupt/IRQ table (GICv3/ITS) on the console. A hardware power cycle is required to recover. Reboot is therefore unreliable / effectively broken. Poweroff hangs in the same way as reboot (clean shutdown, then IRQ table on screen, board does not actually power down). Configuration details Relevant /boot/armbianEnv.txt (current state): verbosity=1 bootlogo=false console=both extraargs=cma=256M reboot=warm sysrq_always_enabled=1 overlay_prefix=rockchip-rk3588 fdtfile=rockchip/rk3588-rock-5t.dtb rootdev=UUID=fbf76c4c-167a-49b2-81a4-e1b0220e8cac rootfstype=ext4 overlays= usbstoragequirks=0x2537:0x1066:u,0x2537:0x1068:u /proc/cmdline confirms the kernel parameters are applied: root=UUID=fbf76c4c-167a-49b2-81a4-e1b0220e8cac rootwait rootfstype=ext4 splash=verbose console=ttyS2,1500000 console=tty1 consoleblank=0 loglevel=1 ubootpart= usb-storage.quirks=0x2537:0x1066:u,0x2537:0x1068:u cma=256M reboot=warm sysrq_always_enabled=1 cgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory androidboot.fwver=ddr-v1.18-9fa84341ce,bl31-v1.48,uboot-rmbian-201-09/01/2025 Observed behavior Run sudo reboot. Systemd performs an orderly shutdown: services are stopped, all filesystems (including NVMe root) are unmounted or remounted ro, shutdown target is reached: Reached target reboot.target - System Reboot Instead of resetting and returning to U‑Boot, the board hangs. After some time, the HDMI console repeatedly prints a tall table of interrupts (GICv3/ITS entries, many zeros, some counters for PCIe/NVMe, USB, etc.), and never actually reboots. Only cutting power recovers the board. The system otherwise runs stably under load; NVMe, PCIe, network, and filesystem are all healthy. Workaround As a workaround, the reboot target was overridden to trigger a SysRq hard reset after a brief delay, so that services can shut down cleanly first: /etc/systemd/system/systemd-reboot.service.d/override.conf: [Service] ExecStart= ExecStart=/bin/sh -c 'sleep 5; echo 1 > /proc/sys/kernel/sysrq; echo b > /proc/sysrq-trigger' TimeoutStartSec=0 With this override in place: sudo reboot now: does a normal orderly shutdown, waits ~5 seconds at the end, then does SysRq + b to force a full reset, the board reliably returns to U‑Boot and boots again. This confirms that: clean shutdown works, a forced hardware reset works, but the normal reboot path used by the vendor RK3588 stack on ROCK 5T leaves the SoC in a bad state (seen as GIC/interrupt dump on screen) instead of performing a full reset. What I think is wrong It looks like the firmware/bootloader + vendor kernel combination on ROCK 5T does not properly implement the reboot sequence (PSCIs / PMIC / reset controller), so after Linux hands control over, the hardware stays in some half‑reset state and keeps generating spurious interrupts instead of resetting GIC/PCIe/etc. completely. The fact that SysRq + b from a fully running system does give a clean hardware reset suggests there is a working reset path, but the normal reboot path used by systemd / kernel is not using it correctly. Could you: Confirm whether this is a known issue for: Rock 5T specifically, or the 6.1.115-vendor-rk35xx kernel / current U‑Boot/BL31 bundle for rk3588 on Armbian? Advise whether there is: a newer U‑Boot / ATF / device‑tree combination that fixes reboot on Rock 5T, or a recommended kernel parameter / DT change (e.g. different PSCI reset mode, watchdog reset, etc.) to get a reliable soft reboot without the hard SysRq fallback? If needed, provide debug instructions (extra bootargs, specific logs around PSCI/reset) so the issue can be characterized better. I can provide: full dmesg from a normal boot, photos or serial logs of the IRQ table that appears after reboot hangs (GICv3/ITS dump on HDMI), U‑Boot version / environment if required. Thanks in advance for looking into this.